Despite its name, Jabber Guest has nothing really to do with the main Jabber soft client software.

Jabber Guest is a system which allows people to make video or audio calls to a University phone (Either desk phone or Jabber Client) through a web browser without needing to sign up or login. Typical usage scenarios are interviews or customer contact centers.

Currently Jabber Guest requires browser plugins which users are automatically prompted to install. Cisco say the longer term aim is for Jabber Guest to work without browser plugins.